The zoo contends that the project would be much more complicated — and expensive — than simply dusting off the old tracks.

According to the zoo, “Early blue violets are the main food source for the silverspot caterpillars as they mature into adult ...

The Oregon Zoo has welcomed a new group of Pacific lamprey in an effort to restore the population of one of the Pacific Northwest’s oldest species. Although the zoo has had lamprey before, they said ...

The Oregon Zoo’s newest baby elephant arrived over the weekend. At 4:29 p.m. Saturday, Rose-Tu gave birth to a calf that appeared to be a healthy girl, weighing in the vicinity of 200 pounds ...

The Oregon Zoo in Portland has welcomed its newest addition, a baby elephant. Thirty-year-old Asian elephant Rose-Tu gave birth on Saturday after 20 months of pregnancy, the zoo said in a news ...

Conservationists from the Oregon Zoo and its partners released 483 Oregon silverspot butterfly larvae in the coast range last ...

The newest addition to the Oregon Zoo is adorable, and it’s helping boost the population of a once-endangered species.

After he was diagnosed with severe heart disease in late 2024, the Oregon Zoo announced that its beloved red panda, Moshu, died peacefully Wednesday morning at nearly 14 years old.

We hear about the Oregon Zoo's ongoing efforts to help save the endangered Bornean elephant, only about a thousand of which remain in the wild.

PORTLAND, Ore. (KTVZ) — The Oregon Zoo is a little fuzzier this week, as two orphaned cougar cubs settle in behind the scenes. Found wandering in southwest Washington last month, the littermates ...

A group of lions at the Portland, Oregon, zoo located a camera hidden in their habitat before taking it for a walk and showing the camera the inside of a lion's mouth.